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20030120021130 = 23522727111084943
BaseRepresentation
bin1001000110111101000000…
…01100000100110010001010
32121220212020111121010001220
410203132200030010302022
510111133141211134010
6110333413214422510
74135062022000362
oct443364014046212
977825214533056
1020030120021130
1164227a962778a
1222b5b7a801a36
13b23aa84ac54b
144d366a5c99a2
1524b0692bb970
hex1237a0304c8a

20030120021130 has 64 divisors (see below), whose sum is σ = 48301915189248. Its totient is φ = 5315868618560.

The previous prime is 20030120021089. The next prime is 20030120021141. The reversal of 20030120021130 is 3112002103002.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17919439 + ... + 19004381.

It is an arithmetic number, because the mean of its divisors is an integer number (754717424832).

Almost surely, 220030120021130 is an apocalyptic number.

20030120021130 is an abundant number, since it is smaller than the sum of its proper divisors (28271795168118).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20030120021130 is a wasteful number, since it uses less digits than its factorization.

20030120021130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1087891.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 20030120021130 its reverse (3112002103002), we get a palindrome (23142122124132).

The spelling of 20030120021130 in words is "twenty trillion, thirty billion, one hundred twenty million, twenty-one thousand, one hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 227 454 681 1135 1362 2270 2711 3405 5422 6810 8133 13555 16266 27110 40665 81330 615397 1084943 1230794 1846191 2169886 3076985 3254829 3692382 5424715 6153970 6509658 9230955 10849430 16274145 18461910 32548290 246282061 492564122 738846183 1231410305 1477692366 2462820610 2941280473 3694230915 5882560946 7388461830 8823841419 14706402365 17647682838 29412804730 44119207095 88238414190 667670667371 1335341334742 2003012002113 3338353336855 4006024004226 6676706673710 10015060010565 20030120021130